# SDR SWAA2026082526970

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2026
- Submitted: August 26, 2026
- Operation: Air carrier
- Aircraft: [N8575Z](https://openairdocs.org/aircraft/N8575Z), registered now
- Make and model: Boeing 737824
- Aircraft serial: 63589
- Aircraft time: 27,256 hours, 14,085 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Inoperative
- Location: Zone 400
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026082526970

## Discrepancy

NR 1 ENGINE, FIRE DETECTOR LOOP B INOPERATIVE.   OK TO CONTINUE IAW MEL 26-2-01 XB.   NR 1 ENGINE 34B& 34 LOOPS,  ENGINE OVERHEAT & FIRE DETECTION SYS .  PERFORMED AN OPS TEST OF NR1 ENGINE FIRE DETECTOR LOOP B IAW AMM 26-11-00. OPS CHECKED GOOD.

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